In our continuing series on the repair of the crack in our finished basement foundation, last time we saw the approach and techniques used to repair the opening in the wood frame, apply the new insulation and finally repair the opening which had been made in the vapour barrier.
In this article we cover how Fitz from Clarke Basement Systems repaired the opening made in the drywall.
After measuring the opening in the drywall, Fitz proceeded to cut a piece to approximate the 34 inches high by 45 inches wide opening in the drywall.
In this situation there is only 1 piece of vertical wood beam onto which to screw the drywall piece into place. In this situation how will the piece of drywall inserted into the opening be held securely and evenly in place?
The technique Fitz used was to first drill drywall screws around the edge of the opening in the existing drywall.
These screws were only drilled so far that they would stay in place.
Next, he took some small planks of plywood and inserted them one at a time behind the drywall opening.
As he did this for each plank of plywood he then carefully finished the technique by sinking each screw into its plank, being sure to only minimally counter sink the screw head. The more that the screw is sunk into the drywall the reduced amount of strength it has to hold the plywood plank.
If you do this be very careful to position your fingers of the hand holding the plank in place so you do not end up forcing a screw through the drywall, the plywood plank and into your finger!
Next, Fitz then positioned the piece of drywall into the opening. This did require minor removal of some parts of the drywall opening edges to make the new piece fit, but not so much as to compromise the use of the previously positioned drywall screws.
With the drywall piece inserted into the opening, the next step was to of course use drywall screws into the single vertical 2 by 4 in the wall frame, into each of the plywood planks previously positioned around the opening’s edge as well as into the horizontal wood at the base of the wood interior wall frame as can be seen in the picture below.
With this done, the next step here would be to apply drywall tape and filler. However, before this was done, we went outside to deal with the exposed foundation wall crack on the outside.
That is where we pick things up next time in this continuing series.
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